Megalonyx
("great claw")
Jefferson's Ground Sloth,
Megalonyx jeffersoni
Wheatley's Ground Sloth, Megalonyx wheatleyi
Narrow-mouthed Sloth, Megalonyx leptostomus
Mathis' Ground Sloth, Megalonyx mathisi
Megalonyx curvidens
Ameghino, F. 1889.
Contibucion al conocimiento de
los Mamiferos
fósiles de la República
Blainville, H. M. D. de. 1855. Ostéographie, Genre Megatherium. Pp. ??
Claypole, E. W. 1891a. Megalonyx in Holmes County, Ohio. Part I. American Geology, 7(?): 122-132.
-------- 1891b. Megalonyx in Holmes County, Ohio. Part. II. American Geology, 7(3): 149-153.
Cope, E. D. 1871. Preliminary report on the vertebrata discovered in the Port Kennedy Bone Cave. American Philosophical Society, 12: 73- 102. (type description, Megalonyx loxodon, M. wheatleyi, and M. tortulus)
-------- 1889. The Edentata of North America. American Naturalist, 23: 657-664.
-------- 1893. A preliminary report onn the vertebrate paleontology of the
Llano Estacado. 4th Annual Report on the Geological Survey of Texas:
136pp.
-------- 1899. Vertebrate remains fromm Port Kennedy bone deposit.
Journal of the Academy of Natural Sciences Philadelphia,
11(2): 193-267.
Cisneros, J. C. 2005. New Pleistocene vertebrate fauna from El Salvador. Revista Brasileira de Paleontologia, 8(3): 239-255.
Cuvier, G. 1836. Recherches sur les Ossemens fossiles. 4 éd, tome 8: 303-370.
Devlevan, F. 1926. Some recent finds of remains of the extinct
ground sloth in southwest
Gazin, C. L. 1935. Gravigrade sloth remains from the late Pliocene and Pleistocene of Idaho. Journal of Mammalogy, 16(1): 52-60.
Gillette,
Gustafson, E. P. 1978. The vertebrate faunas of the Pliocene Ringold Formation, south-central Washington. Bulletin of the Museum of Natural History, University of Oregon, 23: 1-62. (type description, Megalonyx rorhmanni)
Hirschfeld, S. E. and S. D. Webb. 1968. Plio-Pleistocene
megalonychid sloths of North America. Bulletin of the Florida State Museum
Biological Sciences, 12(5): 213-296.
Holman, J. A., and C. J. Clausen. 1984. Fossil vertebrates associated with Paleo-Indian artifact at Little Salt Spring, Florida. Journal of Vertebrate Paleontology, 4(1): 146-154.
Leidy, J. 1855. A memoir of the extinct sloth tribe of North America. Smithsonian Contributions to Knowledge. 68pp.
Leite, M. B. 1990. Stratigraphy and mammalian paleontology of the Ash Hollow Formation (Upper Miocene) on the north shore of Lake McConaughy, Keith County, Nebraska. Contributions in Geology, University of Wyoming, 28(1): 1-29.
Lillegraven, J. A. 1966. Bison crassicornis and the ground sloth Megalonyx jeffersoni in the Kansas Pleistocene. Transactions of the Kansas Academy of Science, 69(3-4): 294-300.
Lindahl, J. 1893. Description of a skull of Megalonyx leidyi, n. sp. Transactions of the American Philosophical Society, 17(1): 1-10, Plates 1-5.
Lund, ?. 1838. Blik paa Brasiliens Dyreverden för sidste Jordom-væltning. Kjöbenhavn, 4: ??.
Lyon, G. 1938. Megalonyx milleri a new Pleistocene ground
sloth from southern
McDonald, H. G.
1977. Description of the osteology of the extinct gravigrade edentate
Megalonyx with observations on its ontogeny, phylogeny and functional
anatomy. Master's Thesis, University of Florida (Unpublished): 328 pp.
-------- and
D.C. Anderson. 1983. A well-preserved ground sloth (Megalonyx) cranium
from Turin, Monona County, Iowa. Proceedings of the Iowa Academy of
Sciences, 90: 134-140.
-------- and C. E. Ray. 1990. The extinct sloth, Megalonyx, (Mammalia: Xenarthra) from the United States Mid-Atlantic continental shelf. Proceedings Biological Society Washington, 103: 1-5.
--------, W. E. Miller and T. H. Morris.&nbssp; 2001. Taphonomy and significance of Jefferson's ground sloth (Xenarthra: Megalonychidae) from Utah. Western North American Naturalist, 61(1): 64-77.
Mercer, H. C. 1897. The finding of the remains of the fossil sloth at Big Bone Cave, Tennessee, in 1896. Proceedings of the American Philosophical Society, 36(154): 36-70.
Mills, R. S. 1975. A ground sloth, Megalonyx, from a Pleistocene site in Darke Co., Ohio. The Ohio Journal of Science, 75(3): 147-154.
Packard, E. L. 1952. Fossil edentates of Oregon. Oregon State Monographs, Studies in Geology. 16pp.
Savage, D. E. 1946. A mandible of Megalonyx from Oklahoma. Journal of Mammalogy, 27(4): 388-390. (Type description, Megalonyx jeffersoni oklahomensis)
Schubert, B. W., R. W. Graham, H. G. McDonald, E. C. Grimm and T. W. Stafford, Jr. 2004. Latest Pleistocene paleoecology of Jefferson's ground sloth (Megalonyx jeffersonii) and elk-moose (Cervalces scotti) in northern Illinois. Quaternary Research, 61: 231-240.
Shotwell, J. A. 1970. Pliocene mammals of southeast Oregon and adjacent Idaho. Bulletin of the University of Oregon Museum of Natural History, 17: 1-103.
Sinclair, W. J. 1905. New Mammalia from the Quaternary caves of California. University of California Publications, Bulletin of the Department of Geology, 4(7): 145-161.
Stock, C.
1913. Nothrotherium and Megalonyx from the Pleistocene of
southern California. University of California Publications, Department of
Geological Sciences Bulletin, 7: 341-358.
------- 1942.
A ground sloth in Alaska. Science, 95: 552-553.
-------- and
Richards. 1949. A Megalonyx tooth from the Northwest
Territories, Canada. Science, 1110: 709-710.
Stovall, J. W. 1940. Megalonyx hagani, a new species of ground sloth from Gould, Oklahoma. American Journal of Science, 238: 140-146.
Webb, S. D. and S. Perrigo. 1985. New megalonychid sloths from El Salvador; pp. 113-120 in G. G. Montgomery (ed.), The Evolution and Ecology of Armadillos, Sloths, and Vermilinguas. Smithsonian Institution Press, Washington, D.C. (type description, Megalonyx obtusidens and Meizonyx salvadorensis)
Wilson, M. C., H. G. McDonald and C. L. Hill. 2005. Fossil ground sloths, Megalonyx and Paramylodon (Mammalia; Xenarthra), from the Doeden local fauna, Montana. Current Research in the Pleistocene, 22: 83-85.
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